a different message expected tonight from michelle obama, compared to ann romney's speech last week, as the democratic convention now begins in just a few hours. >>> scientology storm swirling around tom cruise again. did church officials choose mates for the megastar. >>> and on the rampage, armed with a ten-ton bulldozer. >>> good morning, everybody. i'm rob nelson. >> and i'm diana perez, in for paula faris. with labor day behind us, we begin this tuesday with the unofficial end to the summer of extremes. >> that's for sure. it's giving way to an early fall, filled with wildfires, high water and wicked winds, now bringing trouble from california to the carolinas. northeast of l.a., a fast-moving wildfire is tearing through the angeles national forest. the flames sending thousands of holiday campers fleeing. the fire has scorched six-square miles. and for now, aerial assault with a chopper and a dc-10 is the atta attack. so far, more than 300 firefighters have the flames barely contained. it comes as isaac roared ashore. almost 3,000 people remain in shelters and more than 100,000